1220304342 has 16 divisors (see below), whose sum is σ = 2441369520. Its totient is φ = 406641312.

The previous prime is 1220304301. The next prime is 1220304373. The reversal of 1220304342 is 2434030221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9673 + ... + 50340.

It is an arithmetic number, because the mean of its divisors is an integer number (152585595).

Almost surely, 2^1220304342 is an apocalyptic number.

1220304342 is an abundant number, since it is smaller than the sum of its proper divisors (1221065178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220304342 is a wasteful number, since it uses less digits than its factorization.

1220304342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63407.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1220304342 is about 34932.8547645336. The cubic root of 1220304342 is about 1068.6185748039.

Adding to 1220304342 its reverse (2434030221), we get a palindrome (3654334563).

The spelling of 1220304342 in words is "one billion, two hundred twenty million, three hundred four thousand, three hundred forty-two".